The Poly Studio X50/X52/X70/USB Expansion Microphone Cable Extender Pack (875M4AA) is an accessory for extending microphone cabling in the Poly Studio range. It is intended for expansion microphone setups, helping accommodate a microphone connection where the standard cable reach is insufficient.
HP lists the pack for use with Poly Studio X50, X52 and X72 all-in-one video bars, as well as the V52 USB video bar. The package measures 190 × 210 × 55 mm and weighs 300 g.